使用上传者作为严格身份参考，创建一个方形的4x4黑白照相亭接触片。在全部16张肖像中保留他们的确切面部、可识别特征和发型。相同的黑色T恤，灰色…

Create a square 4x4 black-and-white photobooth contact sheet using the uploaded person as a strict identity reference. Preserve their exact face, recognizable features and hairstyle across all 16 portraits. Same black T-shirt, gray backdrop, frontal flash, tight head-and-shoulders framing, natural skin, sharp eyes, high contrast, subtle analog grain and thin white gutters.